[CrOS Tether] Move the DeviceStatus normalizer code from HostScanner into its own file.

chromeos/components/tether/BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 assert(is_chromeos, "Non-ChromeOS builds cannot depend on //chromeos")
 
 static_library("tether") {
   sources = [
     "active_host.cc",
     "active_host.h",
     "active_host_network_state_updater.cc",
     "active_host_network_state_updater.h",
     "ble_advertisement_device_queue.cc",
     "ble_advertisement_device_queue.h",
     "ble_advertiser.cc",
     "ble_advertiser.h",
     "ble_connection_manager.cc",
     "ble_connection_manager.h",
     "ble_constants.cc",
     "ble_constants.h",
     "ble_scanner.cc",
     "ble_scanner.h",
     "connect_tethering_operation.cc",
     "connect_tethering_operation.h",
     "device_id_tether_network_guid_map.cc",
     "device_id_tether_network_guid_map.h",
+    "device_status_util.cc",
+    "device_status_util.h",
     "disconnect_tethering_operation.cc",
     "disconnect_tethering_operation.h",
     "host_scan_cache.cc",
     "host_scan_cache.h",
     "host_scan_device_prioritizer.cc",
     "host_scan_device_prioritizer.h",
     "host_scan_scheduler.cc",
     "host_scan_scheduler.h",
     "host_scanner.cc",
     "host_scanner.h",
@@ skipping 95 matching lines @@
   testonly = true
 
   sources = [
     "active_host_network_state_updater_unittest.cc",
     "active_host_unittest.cc",
     "ble_advertisement_device_queue_unittest.cc",
     "ble_advertiser_unittest.cc",
     "ble_connection_manager_unittest.cc",
     "ble_scanner_unittest.cc",
     "connect_tethering_operation_unittest.cc",
+    "device_status_util_unittest.cc",
     "disconnect_tethering_operation_unittest.cc",
     "host_scan_cache_unittest.cc",
     "host_scan_device_prioritizer_unittest.cc",
     "host_scan_scheduler_unittest.cc",
     "host_scanner_operation_unittest.cc",
     "host_scanner_unittest.cc",
     "initializer_unittest.cc",
     "keep_alive_operation_unittest.cc",
     "keep_alive_scheduler_unittest.cc",
     "local_device_data_provider_unittest.cc",
@@ skipping 21 matching lines @@
     "//components/cryptauth/ble",
     "//components/prefs:test_support",
     "//components/signin/core/browser:test_support",
     "//device/bluetooth",
     "//device/bluetooth:mocks",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/message_center:test_support",
   ]
 }